Air Vice Marshal PDKT Jayasinghe was born on 9th March 1966 in Sri Lanka. He was commissioned in the General Duties Pilot Branch on 1st January 1987. He has held Squadron appointments such as Adjutant, Flight Safety Officer and Officer Commanding Operations, and progressed to command the No.8 Flying Squadron of Sri Lanka Air Force. During his tenure, he has held the appointment of Staff Officer Operations - 1 at the Directorate of Air Operations, the office responsible for flying operations in Sri Lanka. Air Vice Marshal PDKT Jayasinghe is a VVIP rated pilot with 6500 flying hours both from Fixed and Rotary wing aircraft to his credit. He served as Commanding Officer Air Defence Command and Control Centre in 2007 to mid 2008 and subsequently became the Overall Operations Commander - Air Defence in the SLAF. He commanded four Air Bases in SLAF and thereafter held the appointment of Director Training. He presently holds the appointment of Director Administration.

In his academic qualifications, Air Vice Marshal PDKT Jayasinghe has completed his first Master’s degree (Defence Studies) in Management with “Merit Pass” from Kotalawala Defence University in 2005. In 2009/10 he followed the Armed Forces War course at prestigious National Defence University in Pakistan and colourfully graduated with “A” grading in MSc (War Stu & Def Mgt). He has followed National Defence Course at National Defence College Bangladesh and graduated with Master of Security Studies (MoSS) with the distinguished title ndc in 2012. He had successfully completed a 4 year LLB degree at the Open University of Colombo and was awarded Bachelor of Laws Degree in April 2013. He also attended courses on Comprehensive Security Response for Terrorism in Hawaii, USA, Defence Orientation Course in Netherlands, Basic Staff Course and Flight Safety Officers’ Course in Pakistan. He has visited many countries across continents including Europe, Africa, Middle East, China, Ukraine and USA.

Air Vice Marshal PDKT Jayasinghe is married to Mrs. Sandhya Jayasinghe and they are blessed with two daughters and a son.